Listen to Public Service Announcement Intro / U Ain't Sh*t online. Public Service Announcement Intro / U Ain't Sh*t is an English language song and is sung by Daz Dillinger. Public Service Announcement Intro / U Ain't Sh*t, from the album U Know What I'm Throwin Up, was released in the year 2003. The duration of the song is 3:44. Download English songs online from JioSaavn.